annotate src/fftw-3.3.8/rdft/scalar/r2cf/hc2cfdft2_8.c @ 169:223a55898ab9 tip default

Add null config files

/*
 * Copyright (c) 2003, 2007-14 Matteo Frigo
 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Thu May 24 08:07:16 EDT 2018 */

#include "rdft/codelet-rdft.h"

#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)

/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hc2cfdft2_8 -include rdft/scalar/hc2cf.h */

/*
 * This function contains 90 FP additions, 66 FP multiplications,
 * (or, 60 additions, 36 multiplications, 30 fused multiply/add),
 * 45 stack variables, 2 constants, and 32 memory accesses
 */
#include "rdft/scalar/hc2cf.h"

static void hc2cfdft2_8(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     {
	  INT m;
	  for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(32, rs)) {
	       E T1, T2, Th, Tj, T4, T5, T6, Tk, TB, Tq, Tw, Tc, TM, TQ;
	       {
		    E T3, Ti, Tp, Tb, TL, TP;
		    T1 = W[0];
		    T2 = W[2];
		    T3 = T1 * T2;
		    Th = W[4];
		    Ti = T1 * Th;
		    Tj = W[5];
		    Tp = T1 * Tj;
		    T4 = W[1];
		    T5 = W[3];
		    Tb = T1 * T5;
		    T6 = FMA(T4, T5, T3);
		    Tk = FMA(T4, Tj, Ti);
		    TB = FMA(T4, T2, Tb);
		    Tq = FNMS(T4, Th, Tp);
		    Tw = FNMS(T4, T5, T3);
		    TL = T6 * Th;
		    TP = T6 * Tj;
		    Tc = FNMS(T4, T2, Tb);
		    TM = FMA(Tc, Tj, TL);
		    TQ = FNMS(Tc, Th, TP);
	       }
	       {
		    E TI, T1a, TY, T1u, TF, T1s, TS, T1c, Tg, T1n, T13, T1f, Tu, T1p, T17;
		    E T1h;
		    {
			 E TG, TH, TX, TT, TU, TV, TW, T1t;
			 TG = Ip[0];
			 TH = Im[0];
			 TX = TG + TH;
			 TT = Rm[0];
			 TU = Rp[0];
			 TV = TT - TU;
			 TI = TG - TH;
			 T1a = TU + TT;
			 TW = T1 * TV;
			 TY = FNMS(T4, TX, TW);
			 T1t = T4 * TV;
			 T1u = FMA(T1, TX, T1t);
		    }
		    {
			 E Tz, TR, TE, TN;
			 {
			      E Tx, Ty, TC, TD;
			      Tx = Ip[WS(rs, 2)];
			      Ty = Im[WS(rs, 2)];
			      Tz = Tx - Ty;
			      TR = Tx + Ty;
			      TC = Rp[WS(rs, 2)];
			      TD = Rm[WS(rs, 2)];
			      TE = TC + TD;
			      TN = TD - TC;
			 }
			 {
			      E TA, T1r, TO, T1b;
			      TA = Tw * Tz;
			      TF = FNMS(TB, TE, TA);
			      T1r = TQ * TN;
			      T1s = FMA(TM, TR, T1r);
			      TO = TM * TN;
			      TS = FNMS(TQ, TR, TO);
			      T1b = Tw * TE;
			      T1c = FMA(TB, Tz, T1b);
			 }
		    }
		    {
			 E T9, T12, Tf, T10;
			 {
			      E T7, T8, Td, Te;
			      T7 = Ip[WS(rs, 1)];
			      T8 = Im[WS(rs, 1)];
			      T9 = T7 - T8;
			      T12 = T7 + T8;
			      Td = Rp[WS(rs, 1)];
			      Te = Rm[WS(rs, 1)];
			      Tf = Td + Te;
			      T10 = Td - Te;
			 }
			 {
			      E Ta, T1m, T11, T1e;
			      Ta = T6 * T9;
			      Tg = FNMS(Tc, Tf, Ta);
			      T1m = T2 * T12;
			      T1n = FNMS(T5, T10, T1m);
			      T11 = T2 * T10;
			      T13 = FMA(T5, T12, T11);
			      T1e = T6 * Tf;
			      T1f = FMA(Tc, T9, T1e);
			 }
		    }
		    {
			 E Tn, T16, Tt, T14;
			 {
			      E Tl, Tm, Tr, Ts;
			      Tl = Ip[WS(rs, 3)];
			      Tm = Im[WS(rs, 3)];
			      Tn = Tl - Tm;
			      T16 = Tl + Tm;
			      Tr = Rp[WS(rs, 3)];
			      Ts = Rm[WS(rs, 3)];
			      Tt = Tr + Ts;
			      T14 = Tr - Ts;
			 }
			 {
			      E To, T1o, T15, T1g;
			      To = Tk * Tn;
			      Tu = FNMS(Tq, Tt, To);
			      T1o = Th * T16;
			      T1p = FNMS(Tj, T14, T1o);
			      T15 = Th * T14;
			      T17 = FMA(Tj, T16, T15);
			      T1g = Tk * Tt;
			      T1h = FMA(Tq, Tn, T1g);
			 }
		    }
		    {
			 E TK, T1l, T1w, T1y, T19, T1k, T1j, T1x;
			 {
			      E Tv, TJ, T1q, T1v;
			      Tv = Tg + Tu;
			      TJ = TF + TI;
			      TK = Tv + TJ;
			      T1l = TJ - Tv;
			      T1q = T1n + T1p;
			      T1v = T1s + T1u;
			      T1w = T1q - T1v;
			      T1y = T1q + T1v;
			 }
			 {
			      E TZ, T18, T1d, T1i;
			      TZ = TS + TY;
			      T18 = T13 + T17;
			      T19 = TZ - T18;
			      T1k = T18 + TZ;
			      T1d = T1a + T1c;
			      T1i = T1f + T1h;
			      T1j = T1d - T1i;
			      T1x = T1d + T1i;
			 }
			 Ip[0] = KP500000000 * (TK + T19);
			 Rp[0] = KP500000000 * (T1x + T1y);
			 Im[WS(rs, 3)] = KP500000000 * (T19 - TK);
			 Rm[WS(rs, 3)] = KP500000000 * (T1x - T1y);
			 Rm[WS(rs, 1)] = KP500000000 * (T1j - T1k);
			 Im[WS(rs, 1)] = KP500000000 * (T1w - T1l);
			 Rp[WS(rs, 2)] = KP500000000 * (T1j + T1k);
			 Ip[WS(rs, 2)] = KP500000000 * (T1l + T1w);
		    }
		    {
			 E T1B, T1N, T1L, T1R, T1E, T1O, T1H, T1P;
			 {
			      E T1z, T1A, T1J, T1K;
			      T1z = TI - TF;
			      T1A = T1f - T1h;
			      T1B = T1z - T1A;
			      T1N = T1A + T1z;
			      T1J = T1a - T1c;
			      T1K = Tg - Tu;
			      T1L = T1J - T1K;
			      T1R = T1J + T1K;
			 }
			 {
			      E T1C, T1D, T1F, T1G;
			      T1C = T1p - T1n;
			      T1D = T13 - T17;
			      T1E = T1C + T1D;
			      T1O = T1C - T1D;
			      T1F = TY - TS;
			      T1G = T1u - T1s;
			      T1H = T1F - T1G;
			      T1P = T1F + T1G;
			 }
			 {
			      E T1I, T1S, T1M, T1Q;
			      T1I = T1E + T1H;
			      Ip[WS(rs, 1)] = KP500000000 * (FMA(KP707106781, T1I, T1B));
			      Im[WS(rs, 2)] = -(KP500000000 * (FNMS(KP707106781, T1I, T1B)));
			      T1S = T1O + T1P;
			      Rm[WS(rs, 2)] = KP500000000 * (FNMS(KP707106781, T1S, T1R));
			      Rp[WS(rs, 1)] = KP500000000 * (FMA(KP707106781, T1S, T1R));
			      T1M = T1H - T1E;
			      Rm[0] = KP500000000 * (FNMS(KP707106781, T1M, T1L));
			      Rp[WS(rs, 3)] = KP500000000 * (FMA(KP707106781, T1M, T1L));
			      T1Q = T1O - T1P;
			      Ip[WS(rs, 3)] = KP500000000 * (FMA(KP707106781, T1Q, T1N));
			      Im[0] = -(KP500000000 * (FNMS(KP707106781, T1Q, T1N)));
			 }
		    }
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     {TW_CEXP, 1, 1},
     {TW_CEXP, 1, 3},
     {TW_CEXP, 1, 7},
     {TW_NEXT, 1, 0}
};

static const hc2c_desc desc = { 8, "hc2cfdft2_8", twinstr, &GENUS, {60, 36, 30, 0} };

void X(codelet_hc2cfdft2_8) (planner *p) {
     X(khc2c_register) (p, hc2cfdft2_8, &desc, HC2C_VIA_DFT);
}
#else

/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hc2cfdft2_8 -include rdft/scalar/hc2cf.h */

/*
 * This function contains 90 FP additions, 56 FP multiplications,
 * (or, 72 additions, 38 multiplications, 18 fused multiply/add),
 * 51 stack variables, 2 constants, and 32 memory accesses
 */
#include "rdft/scalar/hc2cf.h"

static void hc2cfdft2_8(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DK(KP353553390, +0.353553390593273762200422181052424519642417969);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     {
	  INT m;
	  for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(32, rs)) {
	       E T1, T4, T2, T5, Tu, Ty, T7, Td, Ti, Tj, Tk, TP, To, TN;
	       {
		    E T3, Tc, T6, Tb;
		    T1 = W[0];
		    T4 = W[1];
		    T2 = W[2];
		    T5 = W[3];
		    T3 = T1 * T2;
		    Tc = T4 * T2;
		    T6 = T4 * T5;
		    Tb = T1 * T5;
		    Tu = T3 - T6;
		    Ty = Tb + Tc;
		    T7 = T3 + T6;
		    Td = Tb - Tc;
		    Ti = W[4];
		    Tj = W[5];
		    Tk = FMA(T1, Ti, T4 * Tj);
		    TP = FNMS(Td, Ti, T7 * Tj);
		    To = FNMS(T4, Ti, T1 * Tj);
		    TN = FMA(T7, Ti, Td * Tj);
	       }
	       {
		    E TF, T11, TC, T12, T1d, T1e, T1q, TM, TR, T1p, Th, Ts, T15, T14, T1a;
		    E T1b, T1m, TV, TY, T1n;
		    {
			 E TD, TE, TL, TI, TJ, TK, Tx, TQ, TB, TO;
			 TD = Ip[0];
			 TE = Im[0];
			 TL = TD + TE;
			 TI = Rm[0];
			 TJ = Rp[0];
			 TK = TI - TJ;
			 {
			      E Tv, Tw, Tz, TA;
			      Tv = Ip[WS(rs, 2)];
			      Tw = Im[WS(rs, 2)];
			      Tx = Tv - Tw;
			      TQ = Tv + Tw;
			      Tz = Rp[WS(rs, 2)];
			      TA = Rm[WS(rs, 2)];
			      TB = Tz + TA;
			      TO = Tz - TA;
			 }
			 TF = TD - TE;
			 T11 = TJ + TI;
			 TC = FNMS(Ty, TB, Tu * Tx);
			 T12 = FMA(Tu, TB, Ty * Tx);
			 T1d = FNMS(TP, TO, TN * TQ);
			 T1e = FMA(T4, TK, T1 * TL);
			 T1q = T1e - T1d;
			 TM = FNMS(T4, TL, T1 * TK);
			 TR = FMA(TN, TO, TP * TQ);
			 T1p = TR + TM;
		    }
		    {
			 E Ta, TU, Tg, TT, Tn, TX, Tr, TW;
			 {
			      E T8, T9, Te, Tf;
			      T8 = Ip[WS(rs, 1)];
			      T9 = Im[WS(rs, 1)];
			      Ta = T8 - T9;
			      TU = T8 + T9;
			      Te = Rp[WS(rs, 1)];
			      Tf = Rm[WS(rs, 1)];
			      Tg = Te + Tf;
			      TT = Te - Tf;
			 }
			 {
			      E Tl, Tm, Tp, Tq;
			      Tl = Ip[WS(rs, 3)];
			      Tm = Im[WS(rs, 3)];
			      Tn = Tl - Tm;
			      TX = Tl + Tm;
			      Tp = Rp[WS(rs, 3)];
			      Tq = Rm[WS(rs, 3)];
			      Tr = Tp + Tq;
			      TW = Tp - Tq;
			 }
			 Th = FNMS(Td, Tg, T7 * Ta);
			 Ts = FNMS(To, Tr, Tk * Tn);
			 T15 = FMA(Tk, Tr, To * Tn);
			 T14 = FMA(T7, Tg, Td * Ta);
			 T1a = FNMS(T5, TT, T2 * TU);
			 T1b = FNMS(Tj, TW, Ti * TX);
			 T1m = T1b - T1a;
			 TV = FMA(T2, TT, T5 * TU);
			 TY = FMA(Ti, TW, Tj * TX);
			 T1n = TV - TY;
		    }
		    {
			 E T1l, T1x, T1A, T1C, T1s, T1w, T1v, T1B;
			 {
			      E T1j, T1k, T1y, T1z;
			      T1j = TF - TC;
			      T1k = T14 - T15;
			      T1l = KP500000000 * (T1j - T1k);
			      T1x = KP500000000 * (T1k + T1j);
			      T1y = T1m - T1n;
			      T1z = T1p + T1q;
			      T1A = KP353553390 * (T1y - T1z);
			      T1C = KP353553390 * (T1y + T1z);
			 }
			 {
			      E T1o, T1r, T1t, T1u;
			      T1o = T1m + T1n;
			      T1r = T1p - T1q;
			      T1s = KP353553390 * (T1o + T1r);
			      T1w = KP353553390 * (T1r - T1o);
			      T1t = T11 - T12;
			      T1u = Th - Ts;
			      T1v = KP500000000 * (T1t - T1u);
			      T1B = KP500000000 * (T1t + T1u);
			 }
			 Ip[WS(rs, 1)] = T1l + T1s;
			 Rp[WS(rs, 1)] = T1B + T1C;
			 Im[WS(rs, 2)] = T1s - T1l;
			 Rm[WS(rs, 2)] = T1B - T1C;
			 Rm[0] = T1v - T1w;
			 Im[0] = T1A - T1x;
			 Rp[WS(rs, 3)] = T1v + T1w;
			 Ip[WS(rs, 3)] = T1x + T1A;
		    }
		    {
			 E TH, T19, T1g, T1i, T10, T18, T17, T1h;
			 {
			      E Tt, TG, T1c, T1f;
			      Tt = Th + Ts;
			      TG = TC + TF;
			      TH = Tt + TG;
			      T19 = TG - Tt;
			      T1c = T1a + T1b;
			      T1f = T1d + T1e;
			      T1g = T1c - T1f;
			      T1i = T1c + T1f;
			 }
			 {
			      E TS, TZ, T13, T16;
			      TS = TM - TR;
			      TZ = TV + TY;
			      T10 = TS - TZ;
			      T18 = TZ + TS;
			      T13 = T11 + T12;
			      T16 = T14 + T15;
			      T17 = T13 - T16;
			      T1h = T13 + T16;
			 }
			 Ip[0] = KP500000000 * (TH + T10);
			 Rp[0] = KP500000000 * (T1h + T1i);
			 Im[WS(rs, 3)] = KP500000000 * (T10 - TH);
			 Rm[WS(rs, 3)] = KP500000000 * (T1h - T1i);
			 Rm[WS(rs, 1)] = KP500000000 * (T17 - T18);
			 Im[WS(rs, 1)] = KP500000000 * (T1g - T19);
			 Rp[WS(rs, 2)] = KP500000000 * (T17 + T18);
			 Ip[WS(rs, 2)] = KP500000000 * (T19 + T1g);
		    }
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     {TW_CEXP, 1, 1},
     {TW_CEXP, 1, 3},
     {TW_CEXP, 1, 7},
     {TW_NEXT, 1, 0}
};

static const hc2c_desc desc = { 8, "hc2cfdft2_8", twinstr, &GENUS, {72, 38, 18, 0} };

void X(codelet_hc2cfdft2_8) (planner *p) {
     X(khc2c_register) (p, hc2cfdft2_8, &desc, HC2C_VIA_DFT);
}
#endif